The hydrogen ion concentration of a \[0.006\,\,M\] benzoic acid solution is \[({{K}_{a}}=6\times {{10}^{-5}})\] [MP PET 1994]

The hydrogen ion concentration of a \[0.006\,\,M\] benzoic acid soluti

1.	The hydrogen ion concentration of a \[0.006\,\,M\] benzoic acid solution is \[({{K}_{a}}=6\times {{10}^{-5}})\] [MP PET 1994]
A.	\[0.6\times {{10}^{-4}}\]
B.	\[6\times {{10}^{-4}}\]
C.	\[6\times {{10}^{-5}}\]
D.	\[3.6\times {{10}^{-4}}\]
Answer» C. \[6\times {{10}^{-5}}\]